20800331206662 has 64 divisors (see below), whose sum is σ = 49697157888000. Its totient is φ = 5798001706560.

The previous prime is 20800331206643. The next prime is 20800331206693. The reversal of 20800331206662 is 26660213300802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20800331206662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123172462 + ... + 123341217.

It is an arithmetic number, because the mean of its divisors is an integer number (776518092000).

Almost surely, 2^{20800331206662} is an apocalyptic number.

20800331206662 is an abundant number, since it is smaller than the sum of its proper divisors (28896826681338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20800331206662 is a wasteful number, since it uses less digits than its factorization.

20800331206662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246513746 (or 246513732 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 20800331206662 in words is "twenty trillion, eight hundred billion, three hundred thirty-one million, two hundred six thousand, six hundred sixty-two".